<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="flex">
            <div class="collapse-btn" @click="collapseChage">
                <i v-if="!collapse" class="el-icon-s-fold"></i>
                <i v-else class="el-icon-s-unfold"></i>
            </div>
            <div class="logo">智慧病房</div>
        </div>
        <div class="flex header-right">
            <div class="header-user-con">
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{username}}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
                    <template #dropdown>
                        <el-dropdown-menu>
                            <el-dropdown-item divided command="loginout">退出登录</el-dropdown-item>
                        </el-dropdown-menu>
                    </template>
                </el-dropdown>
            </div>
        </div>
    </div>
</template>
<script>
    import { computed, onMounted } from "vue";
    import { useStore } from "vuex";
    import { useRouter } from "vue-router";
    export default {
        setup() {
            // 用户名下拉菜单选择事件
            const router = useRouter();

            const userInfo = localStorage.getItem("ms_username");
            let username = "用户名"
            if (userInfo) {
                let userData = JSON.parse(userInfo)
                username = userData["user"]
            } else {
                // router.push("/login");
            }
            const message = 2;

            const store = useStore();
            const collapse = computed(() => store.state.collapse);
            // 侧边栏折叠
            const collapseChage = () => {
                store.commit("handleCollapse", !collapse.value);
            };

            onMounted(() => {
                if (document.body.clientWidth < 1500) {
                    collapseChage();
                }
            });


            const handleCommand = (command) => {
                if (command == "loginout") {
                    localStorage.removeItem("ms_username");
                    router.push("/login");
                }
            };

            return {
                username,
                message,
                collapse,
                collapseChage,
                handleCommand,
            };
        },
    };
</script>
<style scoped>
    .header {
        position: relative;
        box-sizing: border-box;
        width: 100%;
        height: 50px;
        font-size: 18px;
        color: #fff;
        display: flex;
        justify-content: space-between;
    }

    .flex {
        display: flex;
        flex-direction: row;
    }

    .collapse-btn {
        padding: 0 21px;
        cursor: pointer;
        line-height: 50px;
    }

    .header .logo {
        width: 250px;
        line-height: 50px;
    }

    .bq {
        line-height: 50px;
    }

    .header-right {
        padding-right: 50px;
        align-items: flex-end;
    }

    .header-user-con {
        display: flex;
        height: 50px;
        align-items: center;
    }

    .btn-fullscreen {
        transform: rotate(45deg);
        margin-right: 5px;
        font-size: 24px;
    }

    .btn-bell,
    .btn-fullscreen {
        position: relative;
        width: 30px;
        height: 30px;
        text-align: center;
        border-radius: 15px;
        cursor: pointer;
    }

    .btn-bell-badge {
        position: absolute;
        right: 0;
        top: -2px;
        width: 8px;
        height: 8px;
        border-radius: 4px;
        background: #f56c6c;
        color: #fff;
    }

    .btn-bell .el-icon-bell {
        color: #fff;
    }

    .user-name {
        margin-left: 10px;
    }

    .user-avator {
        margin-left: 20px;
    }

    .user-avator img {
        display: block;
        width: 40px;
        height: 40px;
        border-radius: 50%;
    }

    .el-dropdown-link {
        color: #fff;
        cursor: pointer;
    }

    .el-dropdown-menu__item {
        text-align: center;
    }
</style>